下面表达中,选出比较客观简洁的一项
A.If you can control the trains this way, they will be able to run more safely and quickly.
B.The use of this method of control unquestionably leads to safer and faster train running.
C.We can use this method to control the trains to make them run more safely and quickly.
D.It is undboubted that trains can run more safely and quickly if they are controlled in this way.